He's Famous Now, But Can You Identify Him as a Toothless Kid?

It's Jackass Star Steve-O

It's Jackass Star Steve-O

It's MTV star Steve-O! Of his dark period, everyone's second favorite Jackass ;told Tacoma Weekly, "I don't feel like I'm such a bad person, doing such terrible things that I don't deserve to live. That was kind of a dark thing going on back then. I can get through the day and look myself in the mirror and feel pretty good about the way I conduct my life."

These days, the 39-year-old star is maintaining his sobriety, doing stand-up comedy, and making videos for his YouTube channel.

This Sweet Toothless Kid Grew Up to Be a Troubled Reality Star, But Who Is He? (PHOTOS)

He looked so sweet and innocent as a 5-year-old, but this now famous celebrity has been arrested many times for assault, disorderly conduct, and drug possession. He's most well-known for his crazy on-screen stunts, which include snorting wasabi and shooting fireworks out of his nether regions. Can you identify him?